72789040

素因数分解:

$2^4\times 5^1\times {\mathrm{909863}}^1$

素因数の和:909876

約数の個数: 20

約数和(自身を含む): 169234704

約数和(自身を除く): 96445664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909863, 1819726, 3639452, 4549315, 7278904, 9098630, 14557808, 18197260, 36394520, 72789040]

約数ペア:

[(1, 72789040), (2, 36394520), (4, 18197260), (5, 14557808), (8, 9098630), (10, 7278904), (16, 4549315), (20, 3639452), (40, 1819726), (80, 909863)]